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package specgen
import (
"net"
"testing"
"github.com/containers/common/libnetwork/types"
"github.com/containers/podman/v4/pkg/rootless"
"github.com/stretchr/testify/assert"
)
func parsMacNoErr(mac string) types.HardwareAddr {
m, _ := net.ParseMAC(mac)
return types.HardwareAddr(m)
}
func TestParseNetworkFlag(t *testing.T) {
// root and rootless have different defaults
defaultNetName := "default"
defaultNetworks := map[string]types.PerNetworkOptions{
defaultNetName: {},
}
defaultNsMode := Namespace{NSMode: Bridge}
if rootless.IsRootless() {
defaultNsMode = Namespace{NSMode: Slirp}
defaultNetworks = map[string]types.PerNetworkOptions{}
}
tests := []struct {
name string
args []string
nsmode Namespace
networks map[string]types.PerNetworkOptions
options map[string][]string
err string
}{
{
name: "empty input",
args: nil,
nsmode: defaultNsMode,
networks: defaultNetworks,
},
{
name: "empty string as input",
args: []string{},
nsmode: defaultNsMode,
networks: defaultNetworks,
},
{
name: "default mode",
args: []string{"default"},
nsmode: defaultNsMode,
networks: defaultNetworks,
},
{
name: "private mode",
args: []string{"private"},
nsmode: defaultNsMode,
networks: defaultNetworks,
},
{
name: "bridge mode",
args: []string{"bridge"},
nsmode: Namespace{NSMode: Bridge},
networks: map[string]types.PerNetworkOptions{
defaultNetName: {},
},
},
{
name: "slirp4netns mode",
args: []string{"slirp4netns"},
nsmode: Namespace{NSMode: Slirp},
networks: map[string]types.PerNetworkOptions{},
},
{
name: "from pod mode",
args: []string{"pod"},
nsmode: Namespace{NSMode: FromPod},
networks: map[string]types.PerNetworkOptions{},
},
{
name: "no network mode",
args: []string{"none"},
nsmode: Namespace{NSMode: NoNetwork},
networks: map[string]types.PerNetworkOptions{},
},
{
name: "container mode",
args: []string{"container:abc"},
nsmode: Namespace{NSMode: FromContainer, Value: "abc"},
networks: map[string]types.PerNetworkOptions{},
},
{
name: "ns path mode",
args: []string{"ns:/path"},
nsmode: Namespace{NSMode: Path, Value: "/path"},
networks: map[string]types.PerNetworkOptions{},
},
{
name: "slirp4netns mode with options",
args: []string{"slirp4netns:cidr=10.0.0.0/24"},
nsmode: Namespace{NSMode: Slirp},
networks: map[string]types.PerNetworkOptions{},
options: map[string][]string{
"slirp4netns": {"cidr=10.0.0.0/24"},
},
},
{
name: "bridge mode with options 1",
args: []string{"bridge:ip=10.0.0.1,mac=11:22:33:44:55:66"},
nsmode: Namespace{NSMode: Bridge},
networks: map[string]types.PerNetworkOptions{
defaultNetName: {
StaticIPs: []net.IP{net.ParseIP("10.0.0.1")},
StaticMAC: parsMacNoErr("11:22:33:44:55:66"),
},
},
},
{
name: "bridge mode with options 2",
args: []string{"bridge:ip=10.0.0.1,ip=10.0.0.5"},
nsmode: Namespace{NSMode: Bridge},
networks: map[string]types.PerNetworkOptions{
defaultNetName: {
StaticIPs: []net.IP{net.ParseIP("10.0.0.1"), net.ParseIP("10.0.0.5")},
},
},
},
{
name: "bridge mode with ip6 option",
args: []string{"bridge:ip6=fd10::"},
nsmode: Namespace{NSMode: Bridge},
networks: map[string]types.PerNetworkOptions{
defaultNetName: {
StaticIPs: []net.IP{net.ParseIP("fd10::")},
},
},
},
{
name: "bridge mode with alias option",
args: []string{"bridge:alias=myname,alias=myname2"},
nsmode: Namespace{NSMode: Bridge},
networks: map[string]types.PerNetworkOptions{
defaultNetName: {
Aliases: []string{"myname", "myname2"},
},
},
},
{
name: "bridge mode with alias option",
args: []string{"bridge:alias=myname,alias=myname2"},
nsmode: Namespace{NSMode: Bridge},
networks: map[string]types.PerNetworkOptions{
defaultNetName: {
Aliases: []string{"myname", "myname2"},
},
},
},
{
name: "bridge mode with interface option",
args: []string{"bridge:interface_name=eth123"},
nsmode: Namespace{NSMode: Bridge},
networks: map[string]types.PerNetworkOptions{
defaultNetName: {
InterfaceName: "eth123",
},
},
},
{
name: "bridge mode with invalid option",
args: []string{"bridge:abc=123"},
nsmode: Namespace{NSMode: Bridge},
err: "unknown bridge network option: abc",
},
{
name: "bridge mode with invalid ip",
args: []string{"bridge:ip=10..1"},
nsmode: Namespace{NSMode: Bridge},
err: "invalid ip address \"10..1\"",
},
{
name: "bridge mode with invalid mac",
args: []string{"bridge:mac=123"},
nsmode: Namespace{NSMode: Bridge},
err: "address 123: invalid MAC address",
},
{
name: "network name",
args: []string{"someName"},
nsmode: Namespace{NSMode: Bridge},
networks: map[string]types.PerNetworkOptions{
"someName": {},
},
},
{
name: "network name with options",
args: []string{"someName:ip=10.0.0.1"},
nsmode: Namespace{NSMode: Bridge},
networks: map[string]types.PerNetworkOptions{
"someName": {StaticIPs: []net.IP{net.ParseIP("10.0.0.1")}},
},
},
{
name: "multiple networks",
args: []string{"someName", "net2"},
nsmode: Namespace{NSMode: Bridge},
networks: map[string]types.PerNetworkOptions{
"someName": {},
"net2": {},
},
},
{
name: "multiple networks with options",
args: []string{"someName:ip=10.0.0.1", "net2:ip=10.10.0.1"},
nsmode: Namespace{NSMode: Bridge},
networks: map[string]types.PerNetworkOptions{
"someName": {StaticIPs: []net.IP{net.ParseIP("10.0.0.1")}},
"net2": {StaticIPs: []net.IP{net.ParseIP("10.10.0.1")}},
},
},
{
name: "multiple networks with bridge mode first should map to default net",
args: []string{"bridge", "net2"},
nsmode: Namespace{NSMode: Bridge},
networks: map[string]types.PerNetworkOptions{
defaultNetName: {},
"net2": {},
},
},
{
name: "conflicting network modes should error",
args: []string{"bridge", "host"},
nsmode: Namespace{NSMode: Bridge},
err: "can only set extra network names, selected mode host conflicts with bridge: invalid argument",
},
{
name: "multiple networks empty name should error",
args: []string{"someName", ""},
nsmode: Namespace{NSMode: Bridge},
err: "network name cannot be empty: invalid argument",
},
{
name: "multiple networks on invalid mode should error",
args: []string{"host", "net2"},
nsmode: Namespace{NSMode: Host},
err: "cannot set multiple networks without bridge network mode, selected mode host: invalid argument",
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
got, got1, got2, err := ParseNetworkFlag(tt.args)
if tt.err != "" {
assert.EqualError(t, err, tt.err, tt.name)
} else {
assert.NoError(t, err, tt.name)
}
assert.Equal(t, tt.nsmode, got, tt.name)
assert.Equal(t, tt.networks, got1, tt.name)
assert.Equal(t, tt.options, got2, tt.name)
})
}
}
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